The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 17, 2001
Filed:
Oct. 07, 1998
Applicant:
Inventors:
Gianbattista Panzone, Cornaredo, IT;
Alessandra Maria Marazzi, Saronno, IT;
Ermenegildo Restelli, Gerenzano, IT;
Anacleto Gianantonio, Milan, IT;
Assignee:
Biosearch Italia S.p.A., , IT;
Primary Examiner:
Int. Cl.
CPC ...
C07K 1/113 ; C07K 1/16 ; C07K 9/00 ;
U.S. Cl.
CPC ...
C07K 1/113 ; C07K 1/16 ; C07K 9/00 ;
Abstract
Improved chemical process for preparing the compounds of formula (I), wherein: R,represents (C,-C,)alkyl; M represents hydrogen, &agr;-D-mannopyranosyl or 6-O-acetyl-&agr;-D-mannopyranosyl and Y represents an amino group of formula —NR,-alk,-(NR,-alk,),-(NR,-alk,),-W. One aspect of the invention refers to the preparation of the intermediate compound of formula (III) (which corresponds to the above compound of formula (I)